SJF03. Las Aguaditas Type Section.: Darriwilian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Ozarkodinida
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Microzarkodina bella
|
1 element | ||||||
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Periodon macrodentatus
(Graves and Ellison 1941)
|
264 elements | ||||||
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Conodonta
- Protopanderodontida
- Protopanderodontidae
|
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Scolopodus striatus
Pander 1856
|
2 elements | ||||||
|
Protopanderodus gradatus
|
63 elements | ||||||
|
Protopanderodus robustus
(Hadding 1913)
|
20 elements | ||||||
|
Drepanodus reclinatus
(Lindström 1955)
|
2 elements | ||||||
|
Conodonta
- Protopanderodontida
- Acanthodontidae
|
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|
Parapaltodus simplicissimus
|
79 elements | ||||||
|
Conodonta
- Protopanderodontida
- Drepanoistodontidae
|
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|
Paroistodus originalis
(Sergeeva 1963)
|
34 elements | ||||||
|
Paroistodus horridus
(Barnes and Poplawski 1984)
|
96 elements | ||||||
|
Paroistodus secundus
(Albanesi 1998)
|
42 elements | ||||||
| original and current combination Paroistodus horridus secundus | |||||||
|
Paroistodus primus
(Albanesi 1998)
|
14 elements | ||||||
| original and current combination Paroistodus horridus primus | |||||||
|
Paltodus jemtlandicus
|
4 elements | ||||||
|
Drepanoistodus tablepointensis
Stouge 1984
|
52 elements | ||||||
|
Drepanoistodus basiovalis
(Sregeeva 1963)
|
7 elements | ||||||
|
Drepanoistodus bellburnensis
Stouge 1984
|
21 elements | ||||||
|
Drepanoistodus costatus
(Abaimova 1971)
|
23 elements | ||||||
|
Conodonta
- Protopanderodontida
- Oneotodontidae
|
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|
Semiacontiodus potrerillensis
|
37 elements | ||||||
|
Conodonta
- Protopanderodontida
- Cornuodontidae
|
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|
Cornuodus longibasis
(Lindström 1955)
|
12 elements | ||||||
|
Conodonta
- Prioniodontida
- Chirognathidae
|
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|
Oistodella pulchra
|
14 elements | ||||||
|
Spinodus spinatus
|
1 element | ||||||
|
Conodonta
- Prioniodontida
- Oistodontidae
|
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|
Rossodus barnesi
|
168 elements | ||||||
|
Conodonta
- Prioniodontida
- Acodontidae
|
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Pteracontiodus cryptodens
|
36 elements | ||||||
|
Drepanodus arcuatus
Pander 1856
|
22 elements | ||||||
| synonym of Acodus similaris | |||||||
|
Conodonta
- Prioniodontida
- Balognathidae
|
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|
Baltoniodus clavatus
|
3 elements | ||||||
|
Lenodus variabilis
(Sergeeva 1963)
|
1 element | ||||||
|
Conodonta
- Prioniodontida
|
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|
Histiodella serrata
Harris 1962
|
26 elements | ||||||
|
Histiodella holodentata
Ethington and Clark 1982
|
74 elements | ||||||
|
Histiodella sinuosa
(Graves and Ellison 1941)
|
68 elements | ||||||
|
Conodonta
- Prioniodontida
- Paracordylodontidae
|
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|
Protoprioniodus simplicissimus
|
1 element | ||||||
|
Fahraeusodus informal n. sp.
|
54 elements | ||||||
|
Conodonta
- Prioniodontida
|
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|
Erraticodon alternans
|
13 elements | ||||||
|
Conodonta
|
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|
Costiconus costatus
(Dzik 1976)
|
3 elements | ||||||
|
Conodonta
- Panderodontida
- Panderodontidae
|
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|
Parapanderodus paracornuformis
|
3 elements | ||||||
|
Conodonta
- Belodellida
- Ansellidae
|
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|
Ansella sinuosa
|
40 elements | ||||||
|
Ansella jemtlandica
(Löfgren 1978)
|
81 elements | ||||||
| see common names | |||||||
Geography
| Country: | Argentina |
| Coordinates: | 30.4° South, 68.8° West (view map) |
| Paleocoordinates: | 35.1° South, 132.3° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | small collection |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
| Key time interval: | Darriwilian | ||
| Age range of interval: | 467.30000 - 458.40000 m.y. ago |
Stratigraphy
| Formation: | San Juan | ||
| Local section: | Las Aguaditas Type Section | Local bed: | 13 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified wackestone |
| Secondary lithology: | lithified lime mudstone |
| Environment: | open shallow subtidal |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 210391 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2020-05-31 13:50:55 | Last modified: | 2020-05-31 13:54:05 |
| Access level: | the public | Released: | 2020-05-31 13:50:55 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 72581. | N. A. Feltes, G. L. Albanesi, and S. M. Bergström. 2016. Conodont biostratigraphy and global correlation of the middle Darriwilian-lower Sandbian (Ordovician) Las Aguaditas Formation, Precordillera of San Juan, Argentina. Andean Geology 43(1):60-85 [P. Wagner/P. Wagner] |